Heidi Heitcamp is in the political fight of her life in North Dakota. She is the single most vulnerable Democratic Senator. She's decided to vote no on Kavanaugh.

People are assuming that she's just decided to go out in a blaze of glory since she's going to lose anyway. I'm not so sure. She may have decided to vote her conscience and let the chips fall where they may. She may also have made a political calculation that she stands a better chance of winning if she galvanizes Democrats --- and that Republicans are already as galvanized as they are going to be.

Whatever the case, she's taking a courageous step and I'm grateful. Ten years ago, Joe Lieberman and his pals would have been standing shoulder to shoulder with these guys: